Tungnafellsjökullnafnorð karlkyn · ÖrnefniFallbeygingarEt.eintalaFt.fleirtalaEintalaNf.nefnifallTungnafellsjökullÞf.þolfallTungnafellsjökulÞgf.þágufallTungnafellsjökliEf.eignarfallTungnafellsjökuls